Cheapest Car Insurance in Massachusetts for 2026

Massachusetts ranks 37th most expensive state for car insurance at $99/month for full coverage because its no-fault system limits how often accidents turn into lawsuits. When personal injury protection covers medical bills first regardless of fault, fewer accidents escalate into legal claims against other drivers. Fewer claims paid out across all carriers means lower filed rates than in neighboring states where fault-based systems generate more litigation. The credit and gender bans compress the spread between carriers further, because two of the biggest pricing adjustments used in other states do not apply here.

Massachusetts's uninsured driver rate is consistently among the lowest nationally, according to Insurance Research Council data. Fewer uninsured drivers means fewer situations where a carrier has to pay a claim that another driver's insurance should have covered.

The statewide average gap between minimum and full coverage in Massachusetts is $55/month, based on $44/month minimum versus $99/month full coverage. For Plymouth Rock specifically, the gap is $45/month, based on $22/month minimum versus $67/month full coverage. If the car is paid off and worth less than $5,000, the $45/month savings from dropping to minimum coverage will exceed what a total-loss collision claim would pay out after the deductible. If a lender holds the title, full coverage is required regardless of the car's value.

Massachusetts minimum coverage requires $8,000 in personal injury protection and mandatory uninsured/underinsured motorist coverage on top of its 25/50/30 liability limits, which went into effect July 1, 2025. The $30,000 property damage minimum covers most vehicle repairs, a substantial improvement from the previous $5,000 floor. But the $25,000 per-person bodily injury minimum still falls short in a serious accident. An at-fault crash causing $40,000 in bodily injury for one person leaves $15,000 uncovered. The 100/300/100 full coverage benchmark covers the full amount. Drivers deciding how much car insurance they need should use the lender requirement and the car's actual cash value as the two decision points, not the coverage level alone.

Plymouth Rock Assurance leads young-driver family policies in Massachusetts at every age from 16 to 25 because it writes almost exclusively in New England. Decades of ZIP code-level loss data for Massachusetts young drivers lets it price tighter than national carriers applying broader assumptions across markets they know less well. At 16, Plymouth Rock Assurance charges $338/month on a family policy, $73/month below GEICO at $411/month and $537/month below Allstate at $836/month.

The family policy rate drops from $338/month at 16 to $117/month at 25, a $221/month reduction over nine years. The sharpest single-year drop is $34/month between ages 21 and 22, which reflects a Massachusetts rating tier reclassification at that age.

Plymouth Rock Assurance's claims network is smaller than GEICO's or Progressive's. For a college student driving out of state regularly, the $73/month savings versus GEICO at age 16 is real money, but a driver who needs nationwide claims support should compare Plymouth Rock Assurance against GEICO before switching.

Norfolk & Dedham Insurance charges $63/month for seniors in Massachusetts, $13/month below GEICO at $76/month and $21/month below Plymouth Rock Assurance at $84/month. Norfolk & Dedham draws a book of business that skews toward older, lower-mileage Massachusetts drivers, which lets it price senior profiles more precisely than carriers with broader age ranges. Plymouth Rock Assurance leads every other driver profile in Massachusetts but drops to fourth for seniors, making a Norfolk & Dedham quote the right first call for any driver 65 or older.

The spread from Norfolk & Dedham at $63/month to Travelers at $185/month is $122/month ($1,464/year). That gap is wide enough to reverse at renewal. Carriers that lead at 65 do not always lead at 70 or 75, because accident frequency rises with age and carriers adjust their pricing accordingly. Re-shop at every renewal. A $13/month advantage now can become a $50/month disadvantage three years later.

Norfolk & Dedham is a small Massachusetts mutual with limited digital tools and a smaller claims network than GEICO or Plymouth Rock Assurance. Drivers who want to manage their policy entirely online should compare GEICO at $76/month. Norfolk & Dedham doesn't appear in MoneyGeek's national rankings of cheapest car insurance for seniors because its coverage is restricted to Massachusetts, which is worth knowing for any senior who relocates.

GEICO charges $88/month after a speeding ticket in Massachusetts, $7/month below Arbella at $95/month and $18/month below Norfolk & Dedham at $106/month. GEICO keeps speeding ticket rates low nationally because its scale lets it spread moving violation risk across millions of drivers. The $18/month spread from first to fifth is tight compared to the $68/month spread in the DUI table, which means the carrier choice matters less after a speeding ticket than after a DUI or at-fault accident. In Massachusetts, most carriers cluster within $20/month of each other after a speeding ticket, which means the carrier you choose after a speeding ticket matters less here than in states with wider post-violation spreads.

Plymouth Rock Assurance charges $102/month after an at-fault accident in Massachusetts, $7/month below Arbella at $109/month and $32/month below Safety Insurance at $134/month. Plymouth Rock Assurance's at-fault rate stays competitive for the same reason its clean-record rate does. Its New England-only book gives it precise loss data on Massachusetts drivers after accidents. Plymouth Rock Assurance may decline renewal after a second at-fault accident within a three-year period. Confirm Plymouth Rock Assurance's renewal policy at the quote stage if an existing at-fault accident is already on the record.

Plymouth Rock Assurance charges $106/month after a DUI in Massachusetts, $30/month below Progressive and GEICO at $136/month and $68/month below Amica at $174/month. The $39/month rate increase from Plymouth Rock Assurance's clean-record rate of $67/month is the smallest DUI rate increase in MoneyGeek's Massachusetts rate data. Plymouth Rock Assurance's New England focus gives it enough Massachusetts DUI data to price the risk precisely. Drivers with a DUI should confirm SR-22 filing capability with Plymouth Rock Assurance at the quote stage, then compare against GEICO and Progressive. MoneyGeek's car insurance after a DUI in Massachusetts page breaks out rates for every carrier that writes DUI profiles in the state.

GEICO charges $88/month after a texting violation in Massachusetts, the same rate as after a speeding ticket. Massachusetts classifies texting while driving as a civil motor vehicle infraction under the Safe Driver Insurance Plan for most first offenses, not a separate surchargeable criminal violation. Carriers that follow the SDIP framework do not add a penalty on top of the base minor violation surcharge for a first texting offense, which is why the top five in this table are nearly identical to the speeding ticket table. The $18/month spread from GEICO at $88/month to Norfolk & Dedham at $106/month holds for the same reason it holds in the speeding ticket table.